| Primary satellite | Secondary satellite |
| Name | Meteor 2-10 Rocket | COSMOS 2251 DEB |
| Spacetrack catalog number | 14453 | 35469 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Feb 26 14:48 | 2021 Feb 26 08:51 |
| Time of closest approach (UTC) | 2021 Jan 16 13:59:28.084 |
| Minimum distance | 2.948 km |
| Height difference | 0.893 km |
| Relative speed | 9.980 km/s |
| Angle between velocity vectors | 84° |
| Geographic position | 72.5°S, 112.2°E |
| Height | 764 km |
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